Medically reviewed by Amelia MacIntyre, DO One of the most important characteristics of blood is its type. Knowing your blood ...
That’s because type O-negative blood cells don’t have antibodies to A, B, or Rh antigens. Type O-negative blood is usually given in a life-threatening emergency when there’s no time to match ...
She has tried dozens of COVID-19 antigen tests—including while sick with COVID-19. Flu is (still) surging nationwide. You can test for flu infection at home, using any of the combination Covid ...